ZCZC NFDTCPAT1 ALL TTAA00 KWNH DDHHMM BULLETIN Post-Tropical Cyclone Delta Advisory Number 30 NWS Weather Prediction Center College Park MD AL262020 1100 PM EDT Sun Oct 11 2020 ...POST-TROPICAL REMNANTS OF DELTA CONTINUE WEAKEN, AS THE HEAVY RAINFALL THREAT DIMINISHES LATE SUNDAY NIGHT... SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...34.5N 84.1W ABOUT 90 MI...145 KM S OF KNOXVILLE TENNESSEE ABOUT 60 MI...95 KM NNE OF ATLANTA GEORGIA MAXIMUM SUSTAINED WINDS...15 MPH...30 KM/H PRESENT MOVEMENT...E OR 90 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- Flood and Flash Flood Watches in and near the southern Appalachians will expire by midnight EDT Sunday night. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM EDT (0300 UTC), the center of Post-Tropical Cyclone Delta was located near latitude 34.5 North, longitude 84.1 West. The post-tropical cyclone is moving toward the east near 15 mph, and this motion is expected to continue tonight and Monday morning. Maximum sustained winds are near 15 mph (30 km/h) with higher gusts. Some further weakening is possible tonight as a new surface low develops in the Carolinas, and Delta's surface low is expected to be absorbed by this new low pressure area on Monday. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Across the Mid-Atlantic, 1 to 3 inches of rain, with locally higher amounts, are expected. Localized flash and urban flooding are possible, but overall hydrologic impacts are expected to be minimal. Moderate to major river flooring will continue across the Calcasieu and Mermentau river basins in Louisiana through much of next week NEXT ADVISORY ------------- This is the last public advisory issued by the Weather Prediction Center on this system. $$ Forecaster Hurley FORECAST POSITIONS AND MAX WINDS INIT 12/0300Z 34.5N 84.1W 15 KT 15 MPH...POST-TROPICAL 12H 12/1200Z 34.6N 81.8W 15 KT 15 MPH...DISSIPATED NNNN